If x=2-y,then the value of x³+6xy+y³-8 is Question If x=2-y,then the value of x³+6xy+y³-8 is in progress 0 Math Claire 8 months 2021-09-23T13:01:12+00:00 2021-09-23T13:01:12+00:00 2 Answers 0 views 0
Answers ( )
Answer:
take it easy bro
put the value of x on p(x)
I m just giving hint
hope it will help you
If x = 2 – y
Then ,
x³ + 6xy + y³ – 8 = 0
( 2 – y )³ + 6 ( 2 – y ) y + y³ – 8 = 0
-y³ + 6y² – 12y + 8 – 6y² + 12y + y³ – 8 = 0
0 = 0